High-Pressure Stripped Pump
SER 9911-1
Alemite Corporation
7
Revision (4-02)
Overhaul
NOTE: Refer to Figures 2-A and 2-B for
component identification on all overhaul
procedures.
Prior to performing any maintenance procedure, the
following safety precautions must be observed. Personal
injury may occur.
WARNING
Do not use halogenated hydrocarbon sol-
vents such as methylene chloride or 1,1,1-trichlo-
roethane in this pump. An explosion can result
when aluminum and/or zinc-plated parts in the
pump come in contact with halogenated hydrocar-
bon solvents.
Release all pressure within the system prior to
performing any overhaul procedure.
• Disconnect the air supply line from the pump
motor.
• Into an appropriate container, operate the
control valve to discharge remaining pressure
within the system.
Never point a control valve at any portion of your
body or another person. Accidental discharge of
pressure and/or material can result in injury.
Read each step of the instructions carefully. Make
sure a proper understanding is achieved before
proceeding.
Disassembly
Separate Air Motor from Pump Tube
1. Clamp the pump assembly in a soft-jaw vise at
Body (10).
2. Remove Nuts (1b) that secure the Body to Air Motor
Assembly (1).
NOTE: The bottom end cap (339416) of the
Air Motor Assembly remains on the pump
tube during the next procedure.
3. With a side-to-side motion, pull the Air Motor
Assembly from the Body.
4. Remove Keepers (11) from the Body.
5. Remove the bottom end cap from the Body.
Pump Tube Assembly
Air Piston
6. Remove Nut (2) and Washer (3) that secures Air Piston
(4) to Rod (9).
• Place a punch or similar tool into the Rod to prevent
its rotation. See Figure 2-A.
• Remove the Air Piston from the Rod.
7. Remove Quad-Ring (5) from the Air Piston.
8. Remove O-Ring (6) and Washer (7) from the Rod.
Body Assembly
9. Remove O-Ring (8) from the Body.
10. Unscrew Upper Tube (18) from the Body.
11. Remove the Body assembly from the Rod.
12. From inside the Body remove:
• Gasket (16)
• Bearing (15)
• Seal (14)
• Lantern Ring (13)
• Seal (12)
Tube Assembly
13. Push the Rod assembly downward through Upper Tube
(18) until Primer Disk (35) protrudes from Primer
Body (42).
14. Remove Roll Pin (36) that secures the Primer Disk to
Primer Rod (34).
• Remove the Primer Disk from the Primer Rod.
15. Remove the entire Rod assembly from the top of the
Upper Tube.
16. Remove Roll Pin (25) that secures the Primer Rod to
Piston (24).
• Unscrew the Primer Rod from the Piston.
Model Dependent Step
Model 9911-1
17. Remove Roll Pin (25) that secures Rod (9) to the
Piston.
• Unscrew the Piston from the Rod.
All Models Except 9911-1
Remove Roll Pin (25) that secures Rod (9) to the
Extension.
• Unscrew the Extension from the Rod.